Rowlock



FIG. 1 is a front elevation view of the rowlock embodying the present invention;

FIG. 2 is an opposite rear elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is an opposite side elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 a bottom plan view thereof. 

The ornamental design for rowlock, as shown and described. 